If you had antibiotics during delivery, a C-section, or were on any medication postpartum, your gut bacteria took a hit. What tends to grow back first are the strains that produce air and leave you feeling puffy, uncomfortable, and stuck. That hard, distended belly that makes you look pregnant months later? It's not fat — it's your gut out of balance. Tweni floods your system with 40 billion good bacteria to crowd out what shouldn't be there and restore your rhythm.